Updater for building multi-target trees. More...

Public Member Functions
void	UpdatePosition (DMatrix p_fmat, RegTree const p_tree, std::vector< MultiExpandEntry > const &applied)

void	ApplyTreeSplit (MultiExpandEntry const &candidate, RegTree *p_tree)

void	InitData (DMatrix p_fmat, RegTree const p_tree)

MultiExpandEntry	InitRoot (DMatrix p_fmat, linalg::MatrixView< GradientPair const > gpair, RegTree p_tree)

void	BuildHistogram (DMatrix p_fmat, RegTree const p_tree, std::vector< MultiExpandEntry > const &valid_candidates, linalg::MatrixView< GradientPair const > gpair)

void	EvaluateSplits (DMatrix p_fmat, RegTree const p_tree, std::vector< MultiExpandEntry > *best_splits)

void	LeafPartition (RegTree const &tree, linalg::MatrixView< GradientPair const > gpair, std::vector< bst_node_t > *p_out_position)

	MultiTargetHistBuilder (Context const ctx, MetaInfo const &info, TrainParam const param, HistMakerTrainParam const hist_param, std::shared_ptr< common::ColumnSampler > column_sampler, ObjInfo const task, common::Monitor *monitor)

bool	UpdatePredictionCache (DMatrix const *data, linalg::MatrixView< float > out_preds) const

Detailed Description

Updater for building multi-target trees.

The implementation simply iterates over each target.

The documentation for this class was generated from the following file:

Public Member Functions